2010
DOI: 10.1103/physrevb.81.161202
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Spin-orbit coupling and anomalous angular-dependent magnetoresistance in the quantum transport regime of PbS

Abstract: We measured magnetotransport properties of PbS single crystals which exhibit the quantum linear magnetoresistance (MR) as well as the static skin effect that creates a surface layer of additional conductivity. The Shubnikov-de Haas oscillations in the longitudinal MR signify the peculiar role of spin-orbit coupling. In the angular-dependent MR, sharp peaks are observed when the magnetic field is slightly inclined from the longitudinal configuration, which is totally unexpected for a system with nearly spherica… Show more

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Cited by 16 publications
(17 citation statements)
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“…Although, a deviation from universal curve at higher field is also observed in magneto-conductivity curve which may be due to the contribution from bulk channels and the observed data is in accordance with previous reports [25,[28][29][30][31]. Another way to understand, whether the conduction mechanism is governed by bulk charge carriers or surface charge carries, is to study the angular dependency of magneto-transport [32,33]. Fig.…”
Section: Resultssupporting
confidence: 90%
“…Although, a deviation from universal curve at higher field is also observed in magneto-conductivity curve which may be due to the contribution from bulk channels and the observed data is in accordance with previous reports [25,[28][29][30][31]. Another way to understand, whether the conduction mechanism is governed by bulk charge carriers or surface charge carries, is to study the angular dependency of magneto-transport [32,33]. Fig.…”
Section: Resultssupporting
confidence: 90%
“…As reported in inorganic single crystals, since the magnetoelectric and electrical properties depend on different crystallographic planes, the resistance values of inorganic single crystals with different crystal planes are different. 49,50 Thus, the relationship between the stacking structure of an OSSC and spin transport may also be discussed based on different crystal axes or crystallographic planes. It is also worth mentioning the fact that since there are obvious structural differences between inorganic and organic single-crystal materials, 22,23,49–51 the methods used to characterize the resistivity of different crystallographic planes of inorganic crystals are not necessarily suitable for OSSCs, and further exploration is needed.…”
Section: Stacking Regulation For High Mobilitymentioning
confidence: 99%
“…49,50 Thus, the relationship between the stacking structure of an OSSC and spin transport may also be discussed based on different crystal axes or crystallographic planes. It is also worth mentioning the fact that since there are obvious structural differences between inorganic and organic single-crystal materials, 22,23,49–51 the methods used to characterize the resistivity of different crystallographic planes of inorganic crystals are not necessarily suitable for OSSCs, and further exploration is needed. However, the construction of spintronic devices based on OSSCs is still a great challenge because of a lack of feasible fabrication techniques.…”
Section: Stacking Regulation For High Mobilitymentioning
confidence: 99%
“…Usually, the conditions for the extreme quantum limit are only fulfilled for narrow gap semiconductors or semi-metals with very small Fermi pockets and low effective masses. Examples are Bi, n-type doped InSb [77], and PbS [78]. For a parabolic dispersion, the Landau levels are given by E n = ehB m n + 1 2 .…”
Section: Linear Magnetoresistancementioning
confidence: 99%